CVE-2010-0049

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-03-15 · updated 2026-06-16
Weakness: CWE-399

Description

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via HTML elements with right-to-left (RTL) text directionality.

Affected products

Apple Safari: through 4.0.4; 4.0, 4.0-beta, 4.0.0b, 4.0.1, 4.0.2, 4.0.3

References

http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=863
http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
http://lists.apple.com/archives/security-announce/2010/Mar/msg00000.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041383.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041432.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041436.html
http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://osvdb.org/62942
http://secunia.com/advisories/41856
http://secunia.com/advisories/43068
http://support.apple.com/kb/HT4070
http://support.apple.com/kb/HT4225

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